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Earth's Mass


Vondy

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According to http://seds.lpl.arizona.edu/nineplanets/nineplanets/earth.html , the earth masses 5.972e24 kg. That's 5.972e21 metric tons, obviously, or about sixty billion trillion tons ( I think. Something about that figure is bugging me.)

 

A few moments' work with a scientific calculator reveals that starting from a base mass of 100 kg, you need 75.66 doublings, rounded up to 76.

 

As a side note, this clearly reveals the awesome power of exponential growth.

 

Zeropoint

 

Behold the power of two!

 

[edited to correct a tyop]

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From The Electronic Sky:

Schwarzchild Radius

For a body of a given mass, the radius beneath which that body's gravitational field will take on the properties of a Black Hole, preventing the escape of all matter and energy. The Schwarzchild radius represents an immensely compacted state - for example, it has been calculated that the Schwarzchild radius of the entire Earth is of the order of one centimetre.

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